package study.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import study.reggie.common.R;
import study.reggie.dto.DishDto;
import study.reggie.pojo.Category;
import study.reggie.pojo.Dish;
import study.reggie.service.CategoryService;
import study.reggie.service.DishFlavorService;
import study.reggie.service.DishService;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

    /*
    * 新增菜品
    * */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功！");
    }

    /*
    * 菜品信息分页查询
    * */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //构造分页构造器对象
        Page<Dish> pageInfo= new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage=new Page<>();
        //条件构造器
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(name!=null,Dish::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);

        //执行分页查询
        dishService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list = records.stream().map((item) ->{
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            //分类的id
            Long categoryId=item.getCategoryId();
            //根据分类id查询分类对象的名称
            Category category = categoryService.getById(categoryId);
            if(category!=null){
                String categoryName=category.getName();
                dishDto.setCategoryName(categoryName);
            }

            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);

        return R.success(dishDtoPage);
    }

    /*
    * 数据回显
    * */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /*
    * 根据id修改
    * */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.updateByIdWithFlavor(dishDto);

        return R.success("新增菜品成功！");

    }

    /*
    * 起售/停售
    * */
    @PostMapping("/status/{status}")
    public R<String> status(@PathVariable int status,@RequestParam List<Long> ids){

        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.in(Dish::getId,ids);
        List<Dish> list = dishService.list(queryWrapper);
        list.stream().map((item)->{
            Dish dish=new Dish();
            BeanUtils.copyProperties(item,dish);
            dish.setStatus(status);
            dishService.updateById(dish);
            return dish;
        }).collect(Collectors.toList());
        return R.success("修改成功！");

    }

/*
    */
/*
    * 根据id查询菜品数据
    * *//*

    @GetMapping("/list")
    public R<List<Dish>> list(Dish dish){
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.like(StringUtils.isNotEmpty(dish.getName()),Dish::getName,dish.getName());
        //起售状态的才显示
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);
        return R.success(list);
    }
*/

    /*
     * 根据id查询菜品数据
     * */
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.like(StringUtils.isNotEmpty(dish.getName()),Dish::getName,dish.getName());
        //起售状态的才显示
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto>  dishDtoList = list.stream().map((item) ->{
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            //分类的id
            Long categoryId=item.getCategoryId();
            //根据分类id查询分类对象的名称
            Category category = categoryService.getById(categoryId);
            if(category!=null){
                String categoryName=category.getName();
                dishDto.setCategoryName(categoryName);
            }
            //当前菜品id
            Long id = item.getId();
            DishDto flavor = dishService.getByIdWithFlavor(id);
            dishDto.setFlavors(flavor.getFlavors());

            return dishDto;
        }).collect(Collectors.toList());



        return R.success(dishDtoList);
    }


    /*
     * 单个/批量删除
     * */
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("单个/批量删除:{}",ids);
        dishService.removeWithFlavor(ids);
        return R.success("菜品删除成功！");
    }

}
